<div dir="ltr">My OS ESC worked with my 28 pole Hacker Q60, but was extremely power hungry. A Jeti Mezon 90 works beautifully though!<div><br></div><div>Peter+</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Tue, Jul 15, 2014 at 9:52 AM, Ed Alt via NSRCA-discussion <span dir="ltr"><<a href="mailto:nsrca-discussion@lists.nsrca.org" target="_blank">nsrca-discussion@lists.nsrca.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
It seems to be an issue with timing, i.e. keeping up with the required timing. My Q80 would get hot, ran poorly and made done nasty noises until I switched to a Jeti Spin 99.<br>
<br>
Ed<br>
<br>
Sent from my iPhone<br>
<div class="HOEnZb"><div class="h5"><br>
> On Jul 15, 2014, at 12:49 PM, "Jeff and Claire via NSRCA-discussion" <<a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> wrote:<br>
><br>
> This is what puzzles me- Q80 is a 28 pole motor yet an ESC set for 28 poles doesn't work with it. Must be other factors in the design to cause incompatibility and I guess have to accept that. Will check the connectors too, thanks.<br>
><br>
> -----Original Message-----<br>
> From: NSRCA-discussion [mailto:<a href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>] On Behalf Of Jon Lowe via NSRCA-discussion<br>
> Sent: Tuesday, July 15, 2014 10:14 AM<br>
> To: NSRCA<br>
> Subject: Re: [NSRCA-discussion] Help - Toasted ESC + Battery<br>
><br>
> From everything I've heard and read, the Q80s don't like most escs except Jeti and Hacker/ Jeti escs. I've been told they specifically don't work well with the OS esc's. Sounds like ESC/motor incompatibility to me.<br>
><br>
> I've also burned up an ESC when one bullet connector came loose between the motor and ESC. Make sure any connectors there aren't burned.<br>
><br>
>> On Jul 15, 2014 11:01 AM, Jeff and Claire via NSRCA-discussion <<a href="mailto:nsrca-discussion@lists.nsrca.org">nsrca-discussion@lists.nsrca.org</a>> wrote:<br>
>><br>
>> Unexplained ESC problems happened two weeks in a row- any ideas why?<br>
>><br>
>> Last week- motor shut off near end of flight as if ESC hit low voltage<br>
>> cutoff. Only the ESC would not reset. Resulted in off-field landing<br>
>> and broken out landing gear. Got to the plane and the ESC was doing<br>
>> the slow beep (which I think is normal when it's been left on and Tx<br>
>> is off) as opposed to the type of beep indicating it hit low voltage<br>
>> cutoff. Battery pack still had 26% remaining, no low cells. Hacker<br>
>> Q80-11s, Castle HV80<br>
>> ICE2 (3 years old, unknown # flights), SkyLipo 4400<br>
>><br>
>> So I repair the landing gear and install a new OS 1100HV ESC. 1st<br>
>> flight everything seems fine. Early into the second flight there's a<br>
>> loud screech during power-up after pulling from a vertical down line. Again, no power.<br>
>> (was not using brake, had not tried it yet). Swung around to land and<br>
>> opened the canopy to find new ESC burnt to a crisp and battery toasted too.<br>
>> This time Hobby People 4500's, a month old with 15 cycles. Checked<br>
>> balance connectors to find one 5s had one cell left, the other had 2 cells left.<br>
>> Blobs of solder fell out as I removed pack from plane. Not sure, but<br>
>> maybe these came from the soldered connections inside the pack. Can<br>
>> see a blob still stuck inside.<br>
>><br>
>> Checked motor using same Castle ESC from last week, and it seems to<br>
>> run fine.<br>
>><br>
>> Can what appears to be an operating motor cause an ESC to burn up? Can<br>
>> a lipo pack cause an ESC to burn up?<br>
>> Or did the ESC just fail and take the battery with it?<br>
>><br>
>> Any ideas why this happened or how to avoid in future? Ok, all but the<br>
>> ones about switching to YS! :) Jeff Worsham<br>
>><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Director, Fixed Wing Flight Training</div><div>Santa Clara County Model Aircraft Skypark</div><img src="http://farm8.staticflickr.com/7163/6513778381_5569cc985d_m.jpg" width="200" height="154"><br>
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